CN208669448U - A kind of engine cylinder cover that can improve the thermal efficiency - Google Patents
A kind of engine cylinder cover that can improve the thermal efficiency Download PDFInfo
- Publication number
- CN208669448U CN208669448U CN201821468221.1U CN201821468221U CN208669448U CN 208669448 U CN208669448 U CN 208669448U CN 201821468221 U CN201821468221 U CN 201821468221U CN 208669448 U CN208669448 U CN 208669448U
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- China
- Prior art keywords
- cylinder
- cylinder cap
- thermal efficiency
- improve
- seal groove
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- Expired - Fee Related
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a kind of engine cylinder covers that can improve the thermal efficiency, including cylinder cap and cylinder, the side of the cylinder cap is provided with mounting blocks, installation screw is provided on mounting blocks, the bottom surface of cylinder cap be installation when and cylinder contact surface, piston is slidably fitted in cylinder, combuster is arranged in the bottom surface of cylinder cap, air inlet is provided in combustion chamber, gas vent, fuel injection hole and spark plug, the contact surface of cylinder cap and cylinder is provided with seal groove, airtight and watertight padding is provided in seal groove, seal groove is annular groove, combustion chamber is located inside annular groove, the air inlet is connected to the inlet manifold being arranged on cylinder cap, sliding is provided with connecting rod in air inlet, the inner wall contact area of heat and combustion chamber when instinct improves the engine cylinder cover of the thermal efficiency by reducing gasoline combustion, to reduce scattering and disappearing for heat, to improve engine The thermal efficiency is additionally provided with airtight and watertight padding, to improve the sealing performance between cylinder cap and cylinder, improves the working efficiency of engine.
Description
Technical field
The utility model relates to technical field of engines, specially a kind of engine cylinder cover that can improve the thermal efficiency.
Background technique
Cylinder head is one of main parts size of engine, and major function is sealing cylinder top, and with top land and
Cylinder is formed together combustion chamber, is burnt in the combustion chamber by fuel gas, generates high-temperature high-pressure fuel gas expansion work, and then push away
Piston movement band dynamic crankshaft rotates output torque, and the cavity of cylinder cap respective combustion chamber is combustion chamber epicoele, runs in engine
During, the very fast expansion of the gasoline-volume of burning acting outward pushes piston motion, but the function done when gasoline combustion has portion
Divide and scattered and disappeared in the form of heat, therefore the thermal efficiency of engine can not reach 100%, improving engine thermal efficiency is nowadays to send out
The key project of Motivation Research.
Utility model content
The technical problems to be solved in the utility model is to overcome existing defect, and providing a kind of can improve starting for the thermal efficiency
Machine cylinder cap, the inner wall contact area of heat and combustion chamber when by reducing gasoline combustion, to reduce scattering and disappearing for heat, to improve hair
The thermal efficiency of motivation can effectively solve the problems in background technique.
To achieve the above object, the utility model provides the following technical solutions: a kind of engine cylinder that can improve the thermal efficiency
Lid, including cylinder cap and cylinder, the side of the cylinder cap be provided with mounting blocks, is provided with installation screw on mounting blocks, under cylinder cap
When bottom surface is installation and the contact surface of cylinder, piston is slidably fitted in cylinder, combuster, burning is arranged in the bottom surface of cylinder cap
Interior is provided with air inlet, gas vent, fuel injection hole and spark plug, and the contact surface of cylinder cap and cylinder is provided with seal groove, close
Airtight and watertight padding is provided in sealing groove, seal groove is annular groove, and combustion chamber is located inside annular groove, and the air inlet and setting are in cylinder
The inlet manifold connection covered, the interior sliding of air inlet are provided with connecting rod, and the upper end of connecting rod is provided with contact plate, connecting rod
Lower end is provided with sealing block, and spring is arranged in connecting rod, and the upper end of spring is contacted with contact plate, and the lower end of spring is fixed on cylinder
It covers, the gas vent is identical with the internal structure of air inlet.
As a kind of optimal technical scheme of the utility model, the transversal cross-section of the combustion chamber is triangle, air inlet,
The arrangement in equilateral triangle of gas vent, fuel injection hole.
As a kind of optimal technical scheme of the utility model, the airtight and watertight padding is enhancing graphite packing.
As a kind of optimal technical scheme of the utility model, the cross section of the seal groove is trapezoidal, is located under cylinder cap
The cross-sectional shape of the seal groove of bottom surface and the seal groove for being located at cylinder upper surface is symmetric figure.
As a kind of optimal technical scheme of the utility model, the quantity of the mounting blocks is six, and three set for one group
It sets in the two sides of cylinder cap.
Compared with prior art, the utility model has the beneficial effects that the engine cylinder cover that instinct improves the thermal efficiency passes through
The inner wall contact area of heat and combustion chamber when reducing gasoline combustion, to reduce scattering and disappearing for heat, to improve the thermal effect of engine
Rate is additionally provided with airtight and watertight padding, to improve the sealing performance between cylinder cap and cylinder, improves the working efficiency of engine.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model section structural schematic diagram.
In figure: 1 cylinder cap, 2 combustion chambers, 3 mounting blocks, 4 cylinders, 5 pistons, 6 airtight and watertight paddings, 7 seal grooves, 8 air inlets, 9 rows
Stomata, 10 fuel injection holes, 11 spark plugs, 12 inlet manifold, 13 sealing blocks, 14 connecting rods, 15 contact plates, 16 springs.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of engine cylinder cover that can improve the thermal efficiency,
Including cylinder cap 1 and cylinder 4, the side of cylinder cap 1 is provided with mounting blocks 3, and installation screw, the number of mounting blocks 3 are provided on mounting blocks 3
Amount is six, and three the two sides of cylinder cap 1 are arranged in for one group, and mounting blocks 3 are used to make cylinder cap 1 be mounted on cylinder 4 by bolt,
The bottom surface of cylinder cap 1 is the contact surface installed when with cylinder 4, and piston 5, the bottom surface setting of cylinder cap 1 are slidably fitted in cylinder 4
Combuster 2 is provided with air inlet 8, gas vent 9, fuel injection hole 10 and spark plug 11, the transverse direction of combustion chamber 2 in combustion chamber 2
Section is triangle, air inlet 8, gas vent 9, the arrangement in equilateral triangle of fuel injection hole 10, the combustion chamber 2 of triangular shape
Small volume, therefore in gasoline combustion, heat and the inner wall contact area of combustion chamber 2 are small, to reduce scattering and disappearing for heat, improve
The contact surface of the thermal efficiency of engine, cylinder cap 1 and cylinder 4 is provided with seal groove 7, and airtight and watertight padding 6 is provided in seal groove 7,
Airtight and watertight padding 6 is enhancing graphite packing, and enhancing graphite packing has every characteristic of expanded graphite, and versatile, soft
Property it is good, intensity is high, enhances the leakproofness between cylinder cap 1 and cylinder 4, and seal groove 7 is annular groove, and combustion chamber 2 is located at annular groove
Inside, cricoid seal groove 7 cooperates the limited air-tightness for improving each combustion chamber 2 of airtight and watertight padding 6, and then improves burning
The cross section of the thermal efficiency of room 2, seal groove 7 is trapezoidal, positioned at the seal groove 7 of 1 bottom surface of cylinder cap and positioned at 4 upper surface of cylinder
The cross-sectional shape of seal groove 7 is symmetric figure, and it is empty that trapezoidal seal groove 7 provides expansion when enhancing graphite packing expanded by heating
Between, and contacted with enhancing graphite packing extruding, improve sealing performance, air inlet 8 and the inlet manifold 12 being arranged on cylinder cap 1
Connection, the interior sliding of air inlet 8 are provided with connecting rod 14, and the upper end of connecting rod 14 is provided with contact plate 15, the lower end of connecting rod 14
It is provided with sealing block 13, sealing block 13 is used to control opening or closing for inlet manifold 12, spring 16 is arranged in connecting rod 14,
The upper end of spring 16 is contacted with contact plate 15, compresses contact plate 15 by the cam on camshaft, can be controlled by connecting rod 14
The end of inlet manifold 12 is blocked when sealing block 13 is located in air inlet 8 in the position of sealing block 13, blocks inlet manifold 12,
When sealing block 13 be located at air inlet 8 it is outer when, the end of inlet manifold 12 be can air-suction state, the lower end of spring 16 is fixed on cylinder cap
On 1, gas vent 9 is identical with the internal structure of air inlet 8.
When in use: mounting blocks 3 are used to make cylinder cap 1 be mounted on cylinder 4 by bolt, and cricoid seal groove 7 cooperates close
The limited air-tightness for improving each combustion chamber 2 of packing material 6, and then the thermal efficiency of combustion chamber 2 is improved, enhance graphite packing
Every characteristic with expanded graphite, and it is versatile, and flexibility is good, and intensity is high, enhances between cylinder cap 1 and cylinder 4
Leakproofness, trapezoidal seal groove 7 provides expansion space when enhancing graphite packing expanded by heating, and squeezes with enhancing graphite packing
Press contacts improve sealing performance, 2 small volume of combustion chamber of triangular shape, therefore heat and combustion chamber 2 in gasoline combustion
Inner wall contact area it is small, with reduce heat scatter and disappear, improve the thermal efficiency of engine.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of engine cylinder cover that can improve the thermal efficiency, including cylinder cap (1) and cylinder (4), it is characterised in that: the cylinder cap
(1) side is provided with mounting blocks (3), is provided with installation screw on mounting blocks (3), when the bottom surface of cylinder cap (1) is installation with
The contact surface of cylinder (4), cylinder (4) is interior to be slidably fitted with piston (5), and combuster (2) are arranged in the bottom surface of cylinder cap (1), combustion
It burns in room (2) and is provided with air inlet (8), gas vent (9), fuel injection hole (10) and spark plug (11), cylinder cap (1) and cylinder
(4) contact surface is provided with seal groove (7), is provided with airtight and watertight padding (6) in seal groove (7), and seal groove (7) is annular groove, combustion
It burns room (2) to be located inside annular groove, the air inlet (8) is connected to the inlet manifold (12) being arranged on cylinder cap (1), air inlet
(8) sliding is provided with connecting rod (14) in, and the upper end of connecting rod (14) is provided with contact plate (15), and the lower end of connecting rod (14) is set
It is equipped with sealing block (13), is arranged in connecting rod (14) spring (16), the upper end of spring (16) is contacted with contact plate (15), spring
(16) lower end is fixed on cylinder cap (1), and the gas vent (9) is identical with the internal structure of air inlet (8).
2. a kind of engine cylinder cover that can improve the thermal efficiency according to claim 1, it is characterised in that: the combustion chamber
(2) transversal cross-section is triangle, air inlet (8), gas vent (9), fuel injection hole (10) arrangement in equilateral triangle.
3. a kind of engine cylinder cover that can improve the thermal efficiency according to claim 1, it is characterised in that: the airtight and watertight padding
It (6) is enhancing graphite packing.
4. a kind of engine cylinder cover that can improve the thermal efficiency according to claim 1, it is characterised in that: the seal groove
(7) cross section is trapezoidal, is located at the seal groove (7) of cylinder cap (1) bottom surface and the seal groove (7) for being located at cylinder (4) upper surface
Cross-sectional shape be symmetric figure.
5. a kind of engine cylinder cover that can improve the thermal efficiency according to claim 1, it is characterised in that: the mounting blocks
(3) quantity is six, and three are two sides of one group of setting in cylinder cap (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821468221.1U CN208669448U (en) | 2018-09-10 | 2018-09-10 | A kind of engine cylinder cover that can improve the thermal efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821468221.1U CN208669448U (en) | 2018-09-10 | 2018-09-10 | A kind of engine cylinder cover that can improve the thermal efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208669448U true CN208669448U (en) | 2019-03-29 |
Family
ID=65842560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821468221.1U Expired - Fee Related CN208669448U (en) | 2018-09-10 | 2018-09-10 | A kind of engine cylinder cover that can improve the thermal efficiency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208669448U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116717393A (en) * | 2023-07-17 | 2023-09-08 | 上研动力科技江苏有限公司 | Engine cylinder hole sealing structure |
-
2018
- 2018-09-10 CN CN201821468221.1U patent/CN208669448U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116717393A (en) * | 2023-07-17 | 2023-09-08 | 上研动力科技江苏有限公司 | Engine cylinder hole sealing structure |
| CN116717393B (en) * | 2023-07-17 | 2023-12-29 | 上研动力科技江苏有限公司 | Engine cylinder hole sealing structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190329 |